Home / 3,877,178.43-5,816,954.57-1,985,258.19

Finding the Fourth Proportional to 3,877,178.43, 5,816,954.57 and 1,985,258.19

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Solution

The fourth proportional to 3,877,178.43, 5,816,954.57 and 1,985,258.19 is: 2,978,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877,178.43 : 5,816,954.57 = 1,985,258.19 : x
  2. Step 2: Convert to fraction form
    3,877,178.43/5,816,954.57 = 1,985,258.19/x
  3. Step 3: Cross multiply
    3,877,178.43x = 5,816,954.57 × 1,985,258.19
  4. Step 4: Simplify right side
    3,877,178.43x = 11,548,156,691,024.14
  5. Step 5: Solve for x
    x = 11,548,156,691,024.14/3,877,178.43
  6. Step 6: Final answer
    x = 2,978,495.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.